Thanks for the replys everyone....

There is resistance when pulling/pushing the piston in/out, but I'm just used to gas charged struts that will put an eye out if released unexpectingly...

2002 ZO6...462whp/410wtq pretty darn fast!11.70 @ 122 silver/black 2006 Trailblazer SS(wifes car) silver/black 2000 SVT-Turbo-sold silver/blue #1699/2150 13.83 @ 102.82 on 5psi 13.51 @ 107.56 on 8psi